Some older CNC machining software (like VisualCAM or specific router software) uses .jdr to store "Jig" designs. This is a 2D or 3D vector file, not a video.
Call the company that made the JDR recorder (e.g., BioResearch, inc.). Ask them for a viewer software or a conversion service. Many medical device companies will convert old .jdr files to .mp4 for a small fee ($50–$200). convert jdr file to mp4
If you can't find a direct way to convert from the original software, consider online file conversion tools: Some older CNC machining software (like VisualCAM or
Check the file with a hex viewer or by renaming the extension to see if it’s actually: Rarely, some users mistakenly rename video files to
Rarely, some users mistakenly rename video files to .jdr.